---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11835 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 618 10333 4 5036 15028 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:e4:50:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.138/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84867sec preferred_lft 84867sec inet6 fe80::f816:3eff:fee4:50dc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:ed:b4:a3:2e:73 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-11835) 05/08/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:18 19.79 0.49 5.70 13.60 409.92 1009.62 240002.18 00:50:08 24.26 0.82 21.44 2.00 30.91 6179.19 11137.04 Average: 22.01 0.66 13.51 7.84 221.95 3573.46 126497.09 00:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:18 9479272 12724552 3237728 19.77 116460 3287344 3507592 20.13 640348 5901824 76 00:50:08 10694672 15494512 461272 2.82 138256 4759392 1010552 5.80 1014988 4240000 80 Average: 10086972 14109532 1849500 11.30 127358 4023368 2259072 12.97 827668 5070912 78 00:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:18 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 00:40:18 ens3 20.28 12.22 165.54 3.17 0.00 0.00 0.00 0.00 00:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:08 lo 550.79 550.79 522.47 522.47 0.00 0.00 0.00 0.00 00:50:08 ens3 60.44 48.91 523.01 73.81 0.00 0.00 0.00 0.00 00:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 273.48 273.48 259.31 259.31 0.00 0.00 0.00 0.00 Average: ens3 40.20 30.42 342.83 38.20 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-11835) 05/08/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:19 CPU %user %nice %system %iowait %steal %idle 00:40:18 all 49.27 0.00 0.76 0.09 0.09 49.78 00:40:18 0 45.90 0.00 0.69 0.09 0.09 53.24 00:40:18 1 39.76 0.00 0.57 0.02 0.08 59.57 00:40:18 2 60.52 0.00 0.78 0.11 0.10 38.49 00:40:18 3 50.92 0.00 1.02 0.15 0.09 47.83 00:50:08 all 47.71 0.00 1.44 0.15 0.08 50.62 00:50:08 0 39.72 0.00 1.49 0.07 0.08 58.64 00:50:08 1 55.84 0.00 1.29 0.14 0.09 42.64 00:50:08 2 45.17 0.00 1.28 0.17 0.08 53.28 00:50:08 3 50.12 0.00 1.68 0.22 0.08 47.90 Average: all 48.50 0.00 1.10 0.12 0.09 50.20 Average: 0 42.84 0.00 1.09 0.08 0.08 55.91 Average: 1 47.73 0.00 0.93 0.08 0.09 51.18 Average: 2 52.91 0.00 1.03 0.14 0.09 45.83 Average: 3 50.52 0.00 1.34 0.18 0.09 47.87